Marquise|Natural|GIA

0.51ct D IF Marquise Natural Diamond

EX • D/IF • GIA 2554900849

Certificate GIA 2554900849

Diamond specifications and retailer prices

From HK$8,266 HKD
£830 GBP
As of October 28, 2026
Save HK$5,963 HKD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$24,337 HKD at NZ Jewellers · As of October 6, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554900849. Listed at 10 retailers as of October 27, 2026, with a 72% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.39°
Pavilion angle41.14°
OriginNatural
Grading LabGIA
CertificateGIA 2554900849
Dimensions7.75 × 4.19 × 2.68 mm
L/W Ratio1.85
Top View
7.75 mm4.19 mm0.51 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554900849
Side View
Table 61.0%Crown 38.39°Girdle: UNSPavilion 41.14°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$8,266 HKD|Low: HK$6,551 HKD|High: HK$16,022 HKD|Avg: HK$10,507 HKD|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 6HK$6,551 HKD
Retailer 1HK$8,266 HKD
Retailer 3HK$8,552 HKD
Retailer 7HK$9,370 HKD
Retailer 8HK$9,383 HKD
Retailer 5HK$9,484 HKD
Retailer 2HK$10,349 HKD
Retailer 9HK$11,043 HKD
Retailer 10HK$13,153 HKD
Retailer 4HK$14,229 HKD

27 data points across 10 retailers

10 retailersHK$8,266 HKD to HK$14,229 HKD

A+
Cheapest Retailer
-
HK$8,266 HKD
£830 GBP
Retailer 2
-
HK$8,552 HKD
$1,090 USD
View
Price last confirmed 5 days ago
A
Retailer 3
-
HK$9,370 HKD
$1,194 USD
View
A
Retailer 4
-
HK$9,383 HKD
€1,139 EUR
View
A
Retailer 5
-
HK$9,484 HKD
£952 GBP
View
Retailer 6
-
HK$10,349 HKD
A$2,029 AUD
View
Price last confirmed 29 days ago
Retailer 7
-
HK$11,043 HKD
ZAR 22,738 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
HK$13,153 HKD
£1,320 GBP
View
B+
Retailer 9
-
HK$14,229 HKD
£1,428 GBP
View
Most Expensive
NZ Jewellers
12d89cf9-1dbe-4673-8f98-420e5a117a3a · Oct 6
HK$24,337 HKD
$3,102 USD
View
Price last confirmed 26 days ago
9 more retailers have this diamond
Prices start from HK$8,266 HKDSave up to HK$5,963 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
0.51ct Marquise
HK$8,266 HKD